回答編集履歴
2
調整
test
CHANGED
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@@ -45,3 +45,85 @@
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45
45
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```
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46
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47
47
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に対して、2~3社、1週間分程度サンプルをあげてどこをどうひっかけたいか例示されるとよいでしょう
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48
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49
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# 追記
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52
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53
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54
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連続性についてはロジックがかなり煩雑になるので
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56
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期間を入れることで対応してください
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以下サンプル
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- 元データ
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```SQL
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64
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CREATE TABLE tbl(
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66
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67
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SC int(4) NOT NULL,
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68
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today_close double,
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70
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today_open double,
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`date` datetime NOT NULL
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);
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insert into tbl values
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80
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(1000,100,94,'2019-06-20 15:00'),
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82
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(2000,150,179,'2019-06-20 15:00'),
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(3000,347,344,'2019-06-20 15:00'),
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(1000,93,88,'2019-06-19 15:00'),
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(2000,179,175,'2019-06-19 15:00'),
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(3000,347,341,'2019-06-19 15:00'),
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(1000,86,74,'2019-06-18 15:00'),
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94
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(2000,173,160,'2019-06-18 15:00'),
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(3000,344,321,'2019-06-18 15:00'),
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(1000,77,71,'2019-06-17 15:00'),
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(2000,160,164,'2019-06-17 15:00'),
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(3000,340,300,'2019-06-17 15:00');
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```
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- 検索
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112
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113
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```SQL
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114
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115
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select sc
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,group_concat(today_close order by date desc)=group_concat(today_close order by today_close desc) as is_down
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,max(date) as date
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from tbl
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where `date` between '2019-06-17 00:00:00' and '2019-06-20 23:59:59'
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group by sc
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```
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※注意：datetimeのbetweenは00:00:00~23:59:59を指定すること
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1
chousei
test
CHANGED
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@@ -31,3 +31,17 @@
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31
31
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ざっくりいらないデータを削って
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32
32
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33
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```SQL
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34
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CREATE TABLE tbl(
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36
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SC int(4) NOT NULL,
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38
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`date` datetime NOT NULL,
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40
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41
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today_close double,
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42
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43
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today_open double);
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44
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45
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```
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46
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47
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+
に対して、2~3社、1週間分程度サンプルをあげてどこをどうひっかけたいか例示されるとよいでしょう
|